Java SE Development Kit

 Java SE Development Kit 15 :

    The JDK is a development environment for building applications, and components using the Java programming language.

    The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.

 

 

  

Note: 

    To work with applets and appletviewer tool, you have to install Java 10 or lower. You can download Java 10 for x64bit from here: